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XI'AN ZZ TOP OIL TOOLS CO.,LTD
XI'AN ZZ TOP OIL TOOLS CO.,LTD

China DST tools cased hole drain valve manufacturer

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You are here: home  > Drill stem testing tools / DST  > Full Bore Drain Valve DST  > DST tools cased hole drain valve

DST tools cased hole drain valve 

Price: 100.0 USD 
Payment Terms: T/T,L/C 
Special Groups: Case hole DST (111)
DST Sleeve type drain valve (4)
drill stem testing (124)
Sleeve type drain valve (3)
Place of Origin: Shaanxi, China (Mainland) 
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Product Detail

Model No.: TOP-Drain valve
Production Capacity: 10sets/month
Delivery Date: 35days
Working Temperature: 400F
Type: Full bore
Condition: NEW
Size: 5"
Means of Transport: Ocean,Land,Air
Packing: plywood
Working pressure: 105Mpa
Material: AISI41XX/Inconnel
Use: Drian sample
Standard: Nace MR0175/ISO
Application: well testing

Drill stem testing tools sleeve type drain valve is for cased hole full bore type in size 3 7/8" and 5" in owrking pressure 105Mpa in two ball valves

Cased hole drill stem testing tools Drain valve fullbore

Brief introduction

Sleeve type drain valve is used to drain the volume fluid and release pressure when string testing finished. The ports in the sleeve of drain valve will be sealed with two sets of O rings before running in well, and the sliding sleeve and rotating nut are locked by two screws in order to keep the sliding sleeve tighten in course of downhole operation, attach drain collar after testing finished, rotate the rotating nut to make the sliding sleeve moves up until when the ports in the sleeve are aligned with the ports in the body of the tool, the fluid may be drained.

The drain valve consists of a ported body, sliding sleeve, and rotating nut, which controls the position of the sliding sleeve. The sleeve either covers or exposes the ports in the body of the valve. The drain valve is suitable for sour service at all temperatures. A drain collar and associated components are required when relieving pressure.

Features and Benefits

• Allows pressure trapped between two closed valves to be relieved in a controlled manner

• Used to recover large volume fluid samples

Operation

The drain valve is installed between any two valves that may come out of the hole with pressure or fluid trapped between them. Pressure is relieved by installing the drain collar and drain nipples on the drain valve. Valves, lines, or sample bottles may be attached to the drain nipples depending on the desired disposition of the fluid in the string. After the drain collar assembly is attached, the ports in the tool are exposed by using a chain wrench or pipe wrench to rotate the drain nut, which moves the sliding sleeve.

When the ports in the sleeve are aligned with the ports in the body of the tool, the fluid may be drained.

It is also possible to trap a large volume fluid sample between two valves if a sample chamber of some kind (tubing, drill collar, etc.) is placed between the valves. In most cases, the drain valve would be run at the bottom of the sample chamber to facilitate transfer. This will not be a PVT sample.


No

Specification

5"

1

O.D.

127.5mm

2

Bore Diameter

57mm

3

Length

1159mm

4

Working pressure

105Mpa

5

Internal pressure strength

152Mpa

6

External pressure strength

140Mpa

7

Tensile strength

1779KN

8

Torque strength

27KN.m

9

Service

H2S,NACE MR0175(>175oF)

10

Working temperature

-29oC+204oC

11

Connection thread

3 7/8CAS. BXP or 3 1/2 IF.BXP

Cased hole drill stem testing tools Drain valve fullbore

Cased hole drill stem testing tools Drain valve fullbore
Cased hole drill stem testing tools Drain valve fullbore


ZZ TOP OIL TOOLS is the professional manufacturer for the drill stem testing tools and surface testing equipment. All the DST tools are conformed with NACE MR 0175 with traceability,and the DST tools can be worked in H2S & CO2 above 175 F and full H2S, also with the skilled and experienced engineers, we can design the drill stem testing tools as per customer's well condition. Moreover, we supply the training in our factory and operation instruction at the well site. The DST tools are exported to USA, Colombia, India, Pakistan, Iran, Brazil etc. and enjoy the good reputation from the customers.

To shorten the delivery time, we proceeded the DST Tools in stock:

Packer,circualting valve,select tester valve,APR N-valve,OMNI valve,Hydraulic Jar,Tubing string tester

1. Full bore Packer, 7" Casing, working pressure 70Mpa, Working Temperature 400F, Connection: IF, 4set

2. Tester valve, 5", Working pressure 105Mpa, Working temperature 400F, Connection CAS. BXP, 4 sets

3. Hydraulic Jar,5", Working pressure 105Mpa, Working temperature 400F, Connection CAS. BXP, 4sets

4. Rupture disk Circulating valve, 5", Working pressure 105Mpa, Working temperature 400F, Connection CAS. BXP, 4sets

5. Flowhead (surface test tree), 3 1/16", working pressure 70 Mpa. 1set

Should you have any interest or inquiry on the Drill stem testing tools, contact us freely.

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skype Mr. Dongwa

Tel: 86-29-81779342
Fax: 86-29-81543379
Mobile: 136 5925 3658
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Company Info

XI'AN ZZ TOP OIL TOOLS CO.,LTD [China (Mainland)]


Business Type:Manufacturer, Distributor/Wholesaler, Service
City: Xi'an
Province/State: Shaanxi
Country/Region: China (Mainland)

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